Radio Shack HTX-242 Using Memory Channels, Storing a Frequency, Changing Stored Settings

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USING MEMORY CHANNELS

The HTX-242 has 40 standard memory channels and one calling- frequency memory, where you can store frequently-used frequen- cies, along with all settings, for quick access.

Storing a Frequency

1.Press VFO and tune to a frequency you want to store. Set all duplex and subaudible tone settings (see “Using Subaudible Tones” on Page 36), the transmit power setting, and the DTMF option.

2.To store the frequency in the calling-frequency memory, press and hold F for at least 1 second. FUNC flashes on the display. Then press CALL.

To store the frequency in a standard memory, press F. Rotate TUNE, or press UP or DOWN on the microphone, until the HTX-242 displays the desired memory number to the left of the frequency. Then press MR. The HTX-242 beeps twice and stores all settings into the selected memory channel.

Changing Stored Settings

To change the receive frequency, follow the steps under “Storing a Frequency.” To change the transmit frequency or a tone squelch option without changing the receive frequency, follow these steps.

1.To change the calling memory, press CALL.

To change a standard memory, press MR. Then rotate TUNE, or press UP or DOWN on the microphone, to select the mem- ory channel you want to change.

2.If you want to turn tone squelch on or off, repeatedly press T- SQL to select the desired tone squelch mode. (See “Using Subaudible Tones” on Page 36.)

3.For the calling-frequency memory, press and hold F for one second. Then press CALL.

For a standard memory, press F, then press MR.

The HTX-242 displays rF and the receive frequency, and M- CH flashes.

4.Rotate TUNE, press UP or DOWN on the microphone, or enter the receive frequency using the microphone’s keypad.

5.Press . The HTX-242 displays tF and the transmit fre- quency.

6.Rotate TUNE, press UP or DOWN on the microphone, or enter the transmit frequency using the microphone’s keypad.

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Contents HTX-242 TWO-METER Mobile Trans Ceiver Features IntroductionUsing this Manual Contents Using Memory Channels Using Dtmf and Subaudible TonesUsing the Menu Troubleshooting Specifications SchematicsConnecting the Microphone InstallationUnpacking the Transceiver Mounting the HTX-242 in a Vehicle Connecting an Antenna Connecting to your Vehicle’s Power Using the HTX-242 as a Base Station Using the HTX-242 with Packet Radio Connecting an External Speaker OptionalUnderstanding the HTX-242 Dtmf Touch-Tone FeaturesDual VFO Modes Repeater Operation Subaudible Tone Ctcss FeaturesMemory Channels Understanding the Display VFO-A-TPage Resetting the HTX-242 Basic OperationTurning On/Off Your HTX-242 Extending the Transmit Frequency RangeSetting Volume and Squelch Using the LightSetting the Power Level Locking the ControlsSelecting a Frequency Tuning to a FrequencyDirectly Entering a Frequency Setting the Frequency Step Scanning for a FrequencySetting the Scan Resume Condition Setting the Scan OptionsStoring Scan Skip Frequencies Setting the Scan Resume Delay Setting the Scanning RangeReceiving Transmissions TransmittingManually Transmitting Dtmf Tones Transmitting Dtmf Tones from MemoryTurning the Keytone Beep On and Off Limiting Transmit DurationFrequency Offset Defaults Advanced OperationTurning Auto Duplex On and Off Receive Frequency Transmit OffsetReversing the Offset Changing the Default OffsetOverriding the Duplex Offset Using the Dual VFOs for Duplex Operation Changing Stored Settings Using Memory ChannelsStoring a Frequency Using Auto Memory Store AMS Using the Calling-Frequency Memory Tuning to a Standard Memory ChannelChecking Priority Channel Clearing a Memory Channel Scanning Memory ChannelsEnabling/Disabling Scanning for Memory Channels Storing a Dtmf Sequence Using Dtmf and Subaudible TonesTransmitting a Dtmf Sequence Using Group Calling Using DtmfName Assignment Dtmf Page Sequence Using Auto-Reply Using Dtmf Auto Send Using Subaudible Tones Setting the Subaudible TonesValid Subaudible Tones Code Freq. HzSetting the Dtmf Page and Subaudible Tone Alert Activating Subaudible Tone Transmit and SquelchUsing the Menu Menu Default Explanation/Available Settings Option OFFTroubleshooting Error CodesCommon Problems and Solutions Problem Possible SolutionsReplacing the Fuse General SpecificationsReceiver Transmitter Schematics RF Schematic Digital Schematic Microphone Schematic Radio Shack Division of Tandy Corporation Fort Worth, Texas